Recent content by Rahzan

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    Mark - in Queensland, Australia

    Look for "Huygens optics" channel on u-toob. Even he doesn't show you to build what you want somewhere in his videos, his presentations are brilliant.
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    B Can there be causality when there is spacelike separation?

    I suggest you adopt the verbiage "locality" which is stricter term than causality. The corollaries to the postulate of relativity (aka the "special" theory of relativity) only stipulates that it is not possible to accelerate from under to above the speed of light in a finite time. Similarly...
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    Time Ordering Operator for Fermions & Bosons

    In the penultimate expression by Vanhees71 the integral depends only on one time variable, so T becomes superfluous; simply integrate then exponentiate. Why keep T then?
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